cdriso: don't try to play audio if tracks are missing

to prevent random noise

diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c
index 18b0de9..45199f5 100644 (file)
--- a/libpcsxcore/cdriso.c
+++ b/libpcsxcore/cdriso.c
@@ -809,6 +809,9 @@ static unsigned char * CALLBACK ISOgetBuffer(void) {
 // sector: byte 0 - minute; byte 1 - second; byte 2 - frame
 // does NOT uses bcd format
 static long CALLBACK ISOplay(unsigned char *time) {
+       if (numtracks <= 1)
+               return 0;
+
        if (SPU_playCDDAchannel != NULL) {
                if (subChanMixed) {
                        startCDDA(MSF2SECT(time[0], time[1], time[2]) * (CD_FRAMESIZE_RAW + SUB_FRAMESIZE));